Home / 2,186.09-3,277.14-1,090.79

Finding the Fourth Proportional to 2,186.09, 3,277.14 and 1,090.79

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Solution

The fourth proportional to 2,186.09, 3,277.14 and 1,090.79 is: 1,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.09 : 3,277.14 = 1,090.79 : x
  2. Step 2: Convert to fraction form
    2,186.09/3,277.14 = 1,090.79/x
  3. Step 3: Cross multiply
    2,186.09x = 3,277.14 × 1,090.79
  4. Step 4: Simplify right side
    2,186.09x = 3,574,671.54
  5. Step 5: Solve for x
    x = 3,574,671.54/2,186.09
  6. Step 6: Final answer
    x = 1,635.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.